... 4) OEM PTFE, Teflon Nonwoven Fabric, Felt, Filter Cloth Introduction: We are one of the pioneer manufacturer to make 100% PTFE, teflon ... use on the filtration of wastewater, paint, chemical liquid, food, beverage, medicine and blood as well as the separation of oil and water.Temperature endurance ... : customer filter bag size accordingly Teflon, Teflon Nonwoven Fabric, Filter Cloth And Felt